/* 中间 */
.content { 
    min-height: 621px;
}

/* 右边内容 */
.center_content { 
    float: left;
    width: 1002px;
    min-height: 621px;
    margin-left: 30px;
    margin-top: -20px;
}

#nav {
    width: 1002px;
    height: auto;
    text-align: center;
}

#nav a {
    width: 501px;
    height: 34px;
    line-height: 34px;
    background-color: #ddd;
    float: left;
    font-weight: 700;
    color: #fff;
}

#nav .active a {
    background-color: #04a2ca;
}

.content_a {
    margin-top: 10px;
}

.content_a a {
    color: #8e8e87;
    font-size: 15px;
    font-weight: 600;
}

.content_a .btn_a {
    text-decoration: underline; 
}

.content_form {
    margin-top: 8px;
}

.content_form input {
    border: 0;
    font-weight: 800;
}

.content_form label {
    font-size: 18px;
    font-weight: 700;
    color: #7f7f7f;
}

#symbol {
    margin-right: 240px;
}

#name, #time {
    font-weight: 400;
    font-size: 16px;
}

#code {
    margin-right: 222px;
}

.textarea {
    width: 1002px;
    height: 354px;
    margin-top: 5px;
}

.content_form form { 
    margin-top: 8px; 
}
